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The startup screen may vary depending on your Mac model、Varies depending on factors such as operating system (macOS)。Some screens, such as the ban sign or question mark, mean you need to solve a problem first，Then the Mac can complete booting。For all Mac models，When you see the Finder menu bar、Desktop and Dock，This means that the startup is complete。today，The editor of MacW will take you to understand what the various interfaces displayed when Mac starts up represent.。 1. Forbidden symbol A circle crossed by a line or slash means that the selected startup disk contains a Mac operating system，But it's not macOS for your Mac。You should reinstall macOS on this disk。 2. Question mark A folder with a question mark means that the selected startup disk is not available，or does not include Mac OS。Learn how to fix problems with flashing question marks。 3. Blank Screen It is normal to have one or more blank screens during startup.。it may be black、grey、blue，It could also be a desktop picture。If no image appears on the screen after a while，Make sure your display is on、Connected and brightness turned up。 4. Apple Logo Your Mac displays the Apple logo after finding the local startup disk，This disk is the Mac's built-in startup disk or is directly connected to the Mac's startup disk。If your Mac cannot find your local startup disk，then it will try to use a network boot disk if one is available。As the boot process continues，You should see a progress bar or indicator showing the circle (which may or may not contain the Apple logo)。This screen may alternate with a blank screen multiple times。 If you're updating or reinstalling macOS，then this stage may take longer to complete。As the installation continues，The progress bar may move slowly and pause for a long time。Find out if your Mac seems to be stuck on this screen during the installation process or just after the installation is complete，what to do。 5. Rotating Earth When using a network boot disk，Your Mac displays a spinning globe instead of the Apple logo。When launching from macOS recovery function over the Internet，There will also be a rotating earth。As the boot process continues，You should see a progress bar，It may alternate with a blank screen multiple times。 6. Earth with warning symbol when your Mac tries to boot from macOS Recovery over the Internet and fails，You may see a globe with an exclamation mark。Your Mac may not be able to connect to the internet，Or it might be using a network configuration that's incompatible with macOS recovery features。Please try the following solutions： – Use Command-R on startup to try to use the built-in macOS recovery system，Rather than booting from macOS recovery over the Internet。 – Connect to the Internet using Ethernet instead of Wi-Fi，vice versa。 – Connect to the Internet from another network。 – Please try again later，Because the problem may be temporary。 7. Lock icon If your Mac uses a firmware password，then when you try to download a file from another disk or volume such as，external drive or macOS recovery) a lock icon appears when starting。Please enter your firmware password to continue。 8. PIN code to lock your system if your Mac is locked remotely via the Find My feature，then your Mac will ask for a PIN。Please enter a four-digit or six-digit password to continue。 9. Login window In the login window，Enter your user account password，to log into your Mac。If FileVault is open，then this action will also unlock your disk。You may see the default desktop picture in the background，After you select your account，This image may be changed to a desktop image of your choice。 By understanding these launch screens，You can better solve problems you encounter when your Mac starts up，Make sure your Mac starts up smoothly and works normally。

While using a Mac computer，You may install some third-party input methods to meet different input needs。but，If you find that you no longer need these input methods or encounter compatibility issues，Removing them is a good option。under，The editor will introduce to you how to remove or uninstall third-party input methods on Apple Mac systems。 step one：Open System Preferences First，Click the Apple logo in the upper left corner of the screen，Then select "System Preferences"。 Step 2：Go to Keyboard settings in System Preferences，Find and click the "Keyboard" icon。 Step 3：Select the "Input Method" tab in the "Keyboard" settings interface，Select the "Input Method" tab above。 Step 4：Remove third-party input method from input method list，Find the third-party input method you want to remove。Click the "-" button on the left side of the input method to delete it。at this time，You will be prompted to confirm the deletion，Just click "Delete"。 Step 5：Check the application Some third-party input methods may also install a corresponding application in your application list。In order to completely remove these input methods，You also need to check the application list。Open the Finder，Then select "Applications"。Find the corresponding input method application in the application list，Drag to Trash to delete。 Step 6：Empty the Trash Finally，Right click on the Trash icon，Select "Empty Trash" to completely delete the input method and its associated files。 Go through the above steps，You can easily remove or uninstall unwanted third-party input methods，Make your Mac system more concise and efficient。

MacBook battery usage guide and battery health check method MacBook is loved by users for its excellent performance and convenient portability。To extend battery life and ensure optimal performance of your device，It is important to use batteries correctly and check battery health regularly。Let’s take a look at how to use the MacBook battery and how to check the health of the battery。 one、MacBook Battery Instructions 1. Avoid complete discharge •Avoid frequently draining the battery to 0%，Try to start charging when the battery is low。 2. Maintain the right temperature •Use your MacBook at room temperature，Avoid extreme temperatures，Especially in high temperature environments，Will adversely affect the battery。 3. Calibrate the battery regularly •Calibrate the battery at least once a month，That is, after it is fully charged, the battery will be used up until it shuts down.，Then fully charge。This helps maintain battery accuracy。 4. Use battery saver mode moderately •When battery power is low，Enable battery saver mode to extend battery life。 5. Try to use original chargers •Use original or Apple-certified chargers，Ensure charging safety and battery life。 two、How to check MacBook battery health 1. Check through System Information • Click the Apple logo in the upper left corner of the screen，Select "About This Mac"。 •In the pop-up window，Click "System Report"。 •In system reports，Find and click the "Power" option on the left。Battery details will be displayed here，Includes battery cycle count and battery health status。 2. Check via the battery status menu •Hold the "Option" key，Simultaneously tap the battery icon in the upper right corner of the screen。 •In the pop-up menu，You can see the battery status。If it says "normal"，Indicates that the battery is in good health；If "Replace battery" is displayed，It means you need to consider replacing the battery。 3. Use third-party software •Some third-party software can also be used，Such as CoconutBattery，to learn more about battery health status。These software can often provide more battery information，Such as battery capacity、Temperature etc.。 three、Tips to extend battery life 1. Avoid using it plugged in for long periods of time •Using it plugged in for a long time may put stress on the battery，It is recommended to use battery power when appropriate。 2. Close unnecessary background apps •Close apps and services you don’t use，Can reduce battery consumption。 3. Lower the screen brightness •Adjust the screen brightness appropriately，Helps extend battery life。 Through the above methods and suggestions，You can better manage and maintain your MacBook battery，Keep your equipment in top condition。

There are always people complaining after updating Mac to system 10.14 or above，Serious power consumption problem in standby mode。Recently I also encountered this problem：After it is fully charged, close the lid.，The battery dropped by 70% or 80% the next day.，sometimes even more。So，How can we solve this problem? The editor will share two practical Mac setup tips，Help everyone alleviate standby power consumption。 1. Adjust energy saving settings in System Preferences，Find the "Energy Saver" option： •Turn off monitor time setting：In the battery and power adapter options respectively，Shorten the period of time when the display is turned off。This reduces the display brightness time，Thereby reducing the battery consumption rate。 •Disable automatic sleep：Uncheck "When display turns off"，Prevent the computer from automatically going to sleep" option。This prevents the computer from going to sleep prematurely when not needed，thereby reducing energy consumption。 2. Set Do Not Disturb mode in System Preferences，Find the "Notifications" option： •Enable Do Not Disturb mode：In Do Not Disturb settings，Check "Enable Do Not Disturb when display goes to sleep"。This will block incoming calls and notifications when your computer goes to sleep.，Also reduce background application activity，Further save power。 Through the above two settings，You can effectively reduce the power consumption of your Mac in standby mode，Improve battery life，Make your MacBook experience smoother and save power。

Desktop Mac or MacBook won't turn on，Or maybe it can't be launched via the Apple icon? Don't worry，Although it makes people irritated，But it's usually fixable。 Here are all the steps you need to take to restart your Mac。Follow the steps in order，until the problem is solved，Or jump to the applicable step。 1. Check the power connection • Make sure your Mac is plugged into the power adapter，and the adapter is connected well。For desktop Mac，Make sure the power cord is also connected to the electrical outlet。 2. Power cycle •For the latest MacBooks，Disconnect the power cord，Then press and hold the power button for 10 seconds。 •For older MacBooks，Disconnect the power cord and remove the battery for at least 10 seconds。 •For desktop Mac，Disconnect the power cord for at least 10 seconds。 3. Boot in safe mode •Press the power button，Then immediately hold down the Shift key until you see the login screen。 4. Reset the System Management Controller (SMC) Desktop Mac： Unplug the power cord，wait 15 seconds，then reinsert，Wait another five seconds before restarting。 •2018 MacBook Pro and MacBook with T2 chip： Hold down the right Shift key、Left Option key and left control key for seven seconds，Then press and hold the power button for seven seconds。 • MacBook without removable battery： Hold left Shift、Option、Control and power (or Touch ID) buttons，Lasts 10 seconds。 5. Reset NVRAM or PRAM • Hold Option while booting、Command、P and R keys，Don't let go until you hear the startup sound。 6. Run Apple Diagnostics • Press the power button，Then hold down the D key until you see the language selection screen。After selecting language，Start running tests。 7. Using Recovery Mode Tools • Hold the Command and R keys to boot into Recovery Mode。Repair your hard drive or SSD using Disk Utility。 8. Reinstall macOS in recovery mode • If none of the above fixes the issue，Choose to reinstall macOS。Select Reinstall macOS from the menu，and follow the on-screen instructions。 Go through the above steps，You should be able to fix most Mac won’t turn on issues。If the problem is still not resolved，May require further hardware checks or professional support。

Special reminder activation steps(24.07.03011 beta): 1、Open Xmind，Uncheck "Automatically send logs"，Agree to the End User License Agreement 2、Prompt to log in account，Click the close button in the upper left corner，Then exit the entire APP 3、Run the Xmind Crack program in dmg and activate it with one click 4、Ready to use! XMind is a mind mapping software，It can help you quickly clear up your thinking logic，And organized it clearly，You can also export and share it with others。 Use XMind to plan your work at work，Implementation and deployment are sent to colleagues through mind maps.；in study，You can also organize your knowledge points through it；Writing，You can plan and organize the outline in advance using a mind map。 XMind is a new product，Compared to Xind8，It reuses the new rendering engine，Optimized a lot of interactions，Keep users focused and immersed when using software。

Dash is a document browser and code snippet management tool for macOS，It allows users to access more than 200 APIs offline、100Rich documentation resources such as multiple cheat sheets。Users can download the required documentation set，Dash will automatically manage and update these document sets。In addition to using the built-in documentation，Users can also create their own document sets、Request a new documentation set or download from a third-party resource。Dash supports documentation sets generated using tools like Appledoc and Doxygen，Provide convenient content retrieval、Save page bookmarks、Features such as search profile creation and quick searches for specific document sets。It also integrates a variety of development tool plug-ins，Such as Xcode、Alfred et al.，Support via "dash://” URL scheme or system service for integration。also，Dash provides code snippet management functions，Supports over 80 types of syntax highlighting，Can be synchronized and stored in Dropbox，Support for editing variable placeholders and expanded abbreviations before pasting。Dash also includes some special fragment placeholders，Such as @clipboard、@cursor、@date and @time etc.，And supports Retina display、Multi-touch gestures and other features。Dash doubles as a document browser，Can also be used just as a snippet manager，Meet the needs of different users。

Hopper Disassembler is a reverse engineering tool，Allows you to disassemble、Decompile and debug the application。The tool adapts perfectly to the environment，The macOS version takes full advantage of the Cocoa framework，The Linux version uses Qt 5。Hopper extracts procedural information by analyzing the introduction of a function，Such as basic blocks and local variables。Via Hopper SDK，You can extend Hopper's functionality，Even write your own file format and CPU support。Hopper can also display a graphical representation of the control flow graph，And most Hopper functions can be called from Python scripts，Convert binary files in any way。Hopper can use LLDB or GDB for debugging and analysis，Specifically used to retrieve Objective-C information from analysis files，such as selector、Strings and messages sent。Hopper able to decode Swift's obfuscated names，Use tabs to create workspaces with different representations of files，Use different colors to help you understand various discovered objects，and create your own structures using the built-in type editor、union or enum type。